EN 50353:2001
Current
The latest, up-to-date edition.
Insulating oil - Determination of fibre contamination by the counting method using a microscope
27-09-2001
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Cleaning procedure
8 Sampling
9 Filtration procedure
10 Microscope calibration
11 Fibre counting and expression of results
12 Calculation and expression of results
13 Precision
14 Test report
Figure 1 - Schematic representation of a suitable
filtration apparatus
Annex A (normative) - Method for low fibre concentrations
A.1 Reagents
A.2 Apparatus
A.3 Initial set-up and cleaning
A.4 Sampling, and filtration of oil sample
A.5 Blank tests
A.6 Counting method
A.7 Calculation and expression of results
A.8 Precision
A.9 Test report
Figure A.1 - Schematic representation of a suitable
filtration apparatus for low fibre
concentrations
This standard describes the method of determining fibre contamination of mineral insulating oil used in electrotechnical equipment by counting the number of fibres on the surface of a membrane filter
| Committee |
CLC/SR 10
|
| DocumentType |
Standard
|
| PublisherName |
European Committee for Standards - Electrical
|
| Status |
Current
|
| Standards | Relationship |
| DIN EN 50353 : 2002 | Identical |
| SN EN 50353 : 2001 | Identical |
| UNE-EN 50353:2002 | Identical |
| CEI EN 50353 : 2002 | Identical |
| NBN EN 50353 : 2001 | Identical |
| I.S. EN 50353:2001 | Identical |
| NEN EN 50353 : 2001 | Identical |
| PN EN 50353 : 2002 | Identical |
| NF EN 50353 : 2003 | Identical |
| BS EN 50353:2001 | Identical |
| VDE 0370-17 : 2002 | Identical |
| BS EN 60970:2007 | Insulating liquids. Methods for counting and sizing particles |
| I.S. EN 50375:2002 | TESTING METHODOLOGY FOR WIPERS USED IN ELECTRICAL INSULATING OIL |
| I.S. EN 60970:2007/AC:2008 | INSULATING LIQUIDS - METHODS FOR COUNTING AND SIZING PARTICLES |
| BIS IS 13236 : 2013 | INSULATING LIQUIDS - METHODS FOR COUNTING AND SIZING PARTICLES |
| BS EN 50375:2002 | Testing methodology for wipers used in electrical insulating oil |
| CEI EN 50375 : 2003 | TESTING METHODOLOGY FOR WIPERS USED IN ELECTRICAL INSULATING OIL |
| IEC 60970:2007 | Insulating liquids - Methods for counting and sizing particles |
| EN 60970:2007/corrigendum:2008 | INSULATING LIQUIDS - METHODS FOR COUNTING AND SIZING PARTICLES |
| CEI EN 60970 : 2007 | INSULATING LIQUIDS - METHODS FOR COUNTING AND SIZING PARTICLES |
| EN 50375:2002 | Testing methodology for wipers used in electrical insulating oil |
| ISO 5598:2008 | Fluid power systems and components Vocabulary |
| IEC 60475:2011 | Method of sampling insulating liquids |
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